diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/bug648502.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/bug648502.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+function f(x, y) {
+    -(undefined ? 0 : 0);
+    assertEq(y === y, true);
+    return 0;
+}
+f(1, 2);
+{
+    f(3, 3.14);
+    f(true, f(4, 5));
+
+    function g() {}
+}